.container {
    width: 280px;
    height: 400px;
    margin: 0 auto;
}
.changeImg {
    text-align: center;
    position: relative;
    font-size: 16px;
    color: rgb(126, 57, 218);
    font-weight: bolder;
    cursor: pointer;
    user-select: none;
}
.changeImg::before{
    content: '';
    position: absolute;
    left: 10%;
    top: calc(50% - 13px);
    width: 26px;
    height: 26px;
    background: url(./img/sx.png) no-repeat;
    background-position: center;
    background-size: cover;
    
}
.imgContainer{
    height: 320px;
    border: 1px solid #adadad;
    box-sizing: border-box;
    padding:15px;
   box-shadow:  0 0 2px #adadad;
   border-radius: 15px;
}
.imgContainer h3{
    text-align: center;
    margin: 0;
    margin-bottom: 10px;
}
.imgContainer .imgBox{
    width: 100%;
    height: 200px;
    background-repeat: no-repeat;
    position: relative;
}
.imgBox .imgBlock{
    width: 50px;
    height: 50px;
    position: absolute;
    z-index: 10;
    opacity: 0;
}
.imgBox .imgGap{
    width: 50px;
    height: 50px;
    background-color: white;
    position: absolute;
    box-shadow:  0 0 2px #adadad;
}

.slider{
    width: 100%;
    height: 30px;
    margin: auto;
    margin-top: 15px;
    background-color: #ddd;
    border-radius: 10px;
    position: relative;
    text-align: center;
    line-height: 30px;
    font-size: 14px;
    font-weight: 200;
}
.slider button{
    position: absolute;
    top: -5px;
    left: -2px;
    background: white url('./img/yz.png') no-repeat;
    background-size: 100%;
    border-radius: 50%;
    border: 0;
    width: 40px;
    height: 40px;
    cursor: pointer;
    z-index: 20;
}

.slider span{
    opacity:1;
    transition: all 0.5s;
    user-select: none;
}